Παραπομπή APA

Brouwer, A. (1989). Distance- Regular graphs. Springer- Verlag.

Παραπομπή Chicago Style

Brouwer, A.E. Distance- Regular Graphs. Berlin: Springer- Verlag, 1989.

Παραπομπή MLA

Brouwer, A.E. Distance- Regular Graphs. Springer- Verlag, 1989.